Product comparison · 2 raid controllers

Lenovo 4Y37A78834 RAID controller PCI Express x8 12 Gbit/s vs Lenovo RAID 940-16I

6specifications compared
4differ
2identical
12known for one product only

Key differences

Supported storage drive interfaces
- 4Y37A78834 RAID controller PCI Express x8 12 Gbit/s:PCI Express 4.0
- RAID 940-16I:SAS, Serial ATA
Host interface
- 4Y37A78834 RAID controller PCI Express x8 12 Gbit/s:PCI Express x8
- RAID 940-16I:PCI Express x4
RAID levels
- 4Y37A78834 RAID controller PCI Express x8 12 Gbit/s:0, 1, 10
- RAID 940-16I:0, 1, 5, 10, 50, 60
Number of devices supported
- 4Y37A78834 RAID controller PCI Express x8 12 Gbit/s:8
- RAID 940-16I:16

Side by side

Differences highlightedShow differences only

Comparison of 4Y37A78834, RAID 940-16I
18 specifications	A Lenovo 4Y37A78834 RAID controller PCI Express x8 12 Gbit/s Model 4Y37A78834 View product	B Lenovo RAID 940-16I View product
Ports & interfaces2 differ
Supported storage drive interfacesDiffers	PCI Express 4.0	SAS, Serial ATA
Host interfaceDiffers	PCI Express x8	PCI Express x4
PCI Express slots versionKnown for one	Unknown — not stated by the source	4.0
Performance2 differ
RAID levelsDiffers	0, 1, 10	0, 1, 5, 10, 50, 60
Data transfer rate	12 Gbit/s	12 Gbit/s
SSD support	Yes	Yes
ChipsetKnown for one	SAS3808	Unknown — not stated by the source
JBOD functionKnown for one	Yes	Unknown — not stated by the source
Number of devices supportedDiffers	8	16
S.M.A.R.T. supportKnown for one	Yes	Unknown — not stated by the source
CertificationKnown for one	USA (FCC 47 CFR part 15 Subpart B, class B) Canada (ICES -003, Class B) Taiwan (CNS 13438) Japan (VCCI V-3) Australia/New Zealand (AS/NZS CISPR 22) Korea (RRA no 2013-24 & 25) Europe (EN55022/EN55024) Safety: EN/IEC/ UL 60950; RoHS; WEEE	Unknown — not stated by the source
RAID Level MigrationKnown for one	Unknown — not stated by the source	Yes
Form factorKnown for one	Unknown — not stated by the source	Low-Profile MD2 PCIe AIC
Operational conditionsidentical
Operating temperature (T-T)Known for one	10 - 55 °C	Unknown — not stated by the source
Storage temperature (T-T)Known for one	-40 - 70 °C	Unknown — not stated by the source
Operating relative humidity (H-H)Known for one	20 - 90%	Unknown — not stated by the source
Storage relative humidity (H-H)Known for one	5 - 95%	Unknown — not stated by the source
Logistics dataidentical
Harmonized System (HS) codeKnown for one	Unknown — not stated by the source	84733080

A dash means the value is not stated by the source. Unknown values are never counted for or against a product, and there is no overall score.

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